EP4114068A4 - Endgerät, drahtloskommunikationsverfahren und basisstation - Google Patents

Endgerät, drahtloskommunikationsverfahren und basisstation Download PDF

Info

Publication number
EP4114068A4
EP4114068A4 EP20921414.7A EP20921414A EP4114068A4 EP 4114068 A4 EP4114068 A4 EP 4114068A4 EP 20921414 A EP20921414 A EP 20921414A EP 4114068 A4 EP4114068 A4 EP 4114068A4
Authority
EP
European Patent Office
Prior art keywords
terminal
base station
wireless communication
communication method
wireless
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20921414.7A
Other languages
English (en)
French (fr)
Other versions
EP4114068A1 (de
Inventor
Yuki Matsumura
Satoshi Nagata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Docomo Inc
Original Assignee
NTT Docomo Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Publication of EP4114068A1 publication Critical patent/EP4114068A1/de
Publication of EP4114068A4 publication Critical patent/EP4114068A4/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/30—Special cell shapes, e.g. doughnuts or ring cells
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/42—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for mass transport vehicles, e.g. buses, trains or aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
EP20921414.7A 2020-02-27 2020-02-27 Endgerät, drahtloskommunikationsverfahren und basisstation Pending EP4114068A4 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/008022 WO2021171477A1 (ja) 2020-02-27 2020-02-27 端末、無線通信方法及び基地局

Publications (2)

Publication Number Publication Date
EP4114068A1 EP4114068A1 (de) 2023-01-04
EP4114068A4 true EP4114068A4 (de) 2023-11-22

Family

ID=77491161

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20921414.7A Pending EP4114068A4 (de) 2020-02-27 2020-02-27 Endgerät, drahtloskommunikationsverfahren und basisstation

Country Status (3)

Country Link
EP (1) EP4114068A4 (de)
CN (1) CN115191126A (de)
WO (1) WO2021171477A1 (de)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018169357A1 (en) * 2017-03-16 2018-09-20 Samsung Electronics Co., Ltd. Distributed fd-mimo: cellular evolution for 5g and beyond

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005236463A (ja) * 2004-02-18 2005-09-02 Hitachi Ltd ハンドオーバ方法
JP5189460B2 (ja) * 2008-10-30 2013-04-24 株式会社エヌ・ティ・ティ・ドコモ 移動通信システムにおける基地局装置、ユーザ装置及び方法
KR20100056962A (ko) * 2008-11-20 2010-05-28 엘지전자 주식회사 무선 통신 시스템에서 하향링크 채널 측정을 위한 참조 신호 전송 방법
JP5554799B2 (ja) * 2012-03-19 2014-07-23 株式会社Ｎｔｔドコモ 無線基地局装置、ユーザ端末、無線通信システム及び無線通信方法
KR102220399B1 (ko) * 2013-10-21 2021-02-25 삼성전자주식회사 다중 입력 다중 출력 방식을 사용하는 무선 통신 시스템에서 사용자 단말기 선택 및 빔 포밍 동작 수행 장치 및 방법
US10764764B2 (en) * 2016-03-25 2020-09-01 Mitsubishi Electric Corporation Distributed antenna system
JP6129427B1 (ja) * 2016-03-25 2017-05-17 三菱電機株式会社 分散アンテナシステム
JP6325597B2 (ja) * 2016-05-10 2018-05-16 株式会社Ｎｔｔドコモ ユーザ端末、無線基地局及び無線通信方法
WO2020031354A1 (ja) * 2018-08-09 2020-02-13 株式会社Ｎｔｔドコモ ユーザ端末及び無線通信方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018169357A1 (en) * 2017-03-16 2018-09-20 Samsung Electronics Co., Ltd. Distributed fd-mimo: cellular evolution for 5g and beyond

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; Physical layer procedures for data (Release 16)", vol. RAN WG1, no. V16.0.0, 14 January 2020 (2020-01-14), pages 1 - 147, XP051860777, Retrieved from the Internet <URL:ftp://ftp.3gpp.org/Specs/archive/38_series/38.214/38214-g00.zip 38214-g00.docx> [retrieved on 20200114] *
NTT DOCOMO ET AL: "Remaining issues on multi-TRP/panel transmission", vol. RAN WG1, no. e-Meeting; 20200224 - 20200306, 14 February 2020 (2020-02-14), XP051853103, Retrieved from the Internet <URL:https://ftp.3gpp.org/tsg_ran/WG1_RL1/TSGR1_100_e/Docs/R1-2000925.zip R1-2000925.docx> [retrieved on 20200214] *
See also references of WO2021171477A1 *

Also Published As

Publication number Publication date
CN115191126A (zh) 2022-10-14
EP4114068A1 (de) 2023-01-04
WO2021171477A1 (ja) 2021-09-02

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